Headphones



FIG. 1 is a perspective view of headphones showing our new design;

FIG. 2 is an opposite perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom view thereof.

The broken lines depict environment that forms no part of the claimed design. 

CLAIM The ornamental design for headphones, as shown and described. 